If you’re anything like me, your answer is probably along the lines of “I… have absolutely no idea.” Most people’s brains just don’t work that way.

But odds are, Google knows. They probably know where you’ve been most other days, too. And they’ll happily show you, letting you relive your life one step at a time.

Now I let Google know where I was, because it helps with traffic updates, what movies to see etc. I had no idea they were tracking my every step though. On the next page I’m going to show the type of data Google is collecting.

The image below shows my movements in the Washington DC Metro area on Thursday December 12, 2013. I got up early in the morning to have breakfast with our old friend Barney Keller, now at the Club for Growth, a few blocks from the White House. Google tracked my entire Metro ride, and the ride out to Dulles Airport, my flight, and then later on my drive home.

While this is very cool, and that seems to be the tack Tech Crunch was taking, it is also very chilling. Can this data be requested by law enforcement? Does the NSA have access to it. These are serious questions Google must answer. It is way to easy to grab this data.